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Hydrogen photoproduction under continuous illumination by sulfur-deprived, synchronous Chlamydomonas reinhardtii cultures

Seibert M; Ghirardi ML; Kosourov S; Tsygankov A

dc.contributor.authorSeibert M
dc.contributor.authorGhirardi ML
dc.contributor.authorKosourov S
dc.contributor.authorTsygankov A
dc.date.accessioned2022-10-28T13:02:54Z
dc.date.available2022-10-28T13:02:54Z
dc.identifier.urihttps://www.utupub.fi/handle/10024/162424
dc.description.abstractUnsynchronized Chlamydomonas reinhardtii cells subsequently deprived of sulfur produce H-2 under continuous illumination in the laboratory for 3-4 days. However, cultures grown outdoors will be exposed to day-and-night cycles that may synchronize their growth and cell division. While it is clear that only insignificant amounts of H-2 can be produced by sulfur-deprived cells during the night period, little work has been done to examine the effects of the light/dark cycles preceding sulfur deprivation on subsequent H-2 photoproduction. We show that (a) C reinhardtii cells exhibit synchronized growth and cell division in the presence of acetate, (b) cells with the highest specific rates of H-2 photoproduction also have the highest rates of biomass accumulation, and (c) the highest rates of starch and protein degradation coincide with the highest rates of formate and acetate accumulation, but not with H-2 photoproduction. This work shows that it is possible to maximize the production of H-2 by sulfur-depriving synchronized cultures at about 4 h after the beginning of the light period. <br />
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD
dc.titleHydrogen photoproduction under continuous illumination by sulfur-deprived, synchronous Chlamydomonas reinhardtii cultures
dc.identifier.urnURN:NBN:fi-fe2021042719601
dc.relation.volume27
dc.contributor.organizationfi=PÄÄT Molekulaarinen kasvibiologia|en=PÄÄT Molecular Plant Biology|
dc.contributor.organization-code2606205
dc.converis.publication-id35504442
dc.converis.urlhttps://research.utu.fi/converis/portal/Publication/35504442
dc.format.pagerange1239
dc.format.pagerange1244
dc.identifier.jour-issn0360-3199
dc.okm.affiliatedauthorKosourov, Sergey
dc.okm.discipline1183 Plant biology, microbiology, virologyen_GB
dc.okm.discipline1183 Kasvibiologia, mikrobiologia, virologiafi_FI
dc.okm.internationalcopublicationinternational co-publication
dc.okm.internationalityInternational publication
dc.okm.typeJournal article
dc.relation.articlenumberPII S0360-3199(02)00108-8
dc.relation.doi10.1016/S0360-3199(02)00108-8
dc.relation.ispartofjournalInternational Journal of Hydrogen Energy
dc.relation.issue11-12
dc.year.issued2002


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